20D Indirect Ophthalmoscopy Lens EDL-20D
Price shown at checkout. Review your total before payment.
Price shown at checkout. Review your total before payment.
A computer-optimized aspheric 20-diopter lens for binocular indirect ophthalmoscopy and wide-field fundus examination.
Brand: Ezer
Model: EDL-20D
Condition: New
Contact Equipment Express for current pricing, availability, configuration details, and compatible accessories.
Features of the EDL-20D
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Exam Principles With indirect ophthalmoscopy, the fundus is illuminated by light passing through the EDL-20D lens. The returning light then passes back through the EDL-20D to form a real, inverted image of the fundus between the lens and the practitioner. |
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BIO Advantages The advantages of binocular indirect ophthalmoscopy compared to direct exams are the excellent, stereoscopic field of view and the ability to assess subtle diffuse fundus color changes. |
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Outstanding Optics The EDL-20D is made of high-transmittance glass to achieve distortion-free imaging. Users will obtain bright, clear images across the entire field. |
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Unique Features The EDL-20D features a computer optimized aspheric design that minimizes reflections and delivers high-resolution images. A small holding ring also contributes to ease of use. |
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| Image Magnification X | 2.11 |
| Field of View | 50° |
| Working Distance | 1.85in (47mm) |
| Focal Length | 2.04in (52mm) |
| Clear Aperture | 1.9in (48mm) |
| Lens Diameter | 1.96in (50mm) |
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